AROMA 2-in-1 Metronome BT Speaker for Guitar Piano Drum Violin Rechargeable Digital Metronome with Vocal Counts 1300mAh Large-capacity Battery VA Color Screen Portable Wireless Speaker Metronome Features: 【2-in-1 Metronome and BT Speaker】: This metronome combines the functionality of a metronome and a BT speaker, making it a versatile tool for musicians. It's suitable for a variety of instruments including acoustic/classical/electric guitar, bass, violin, ukulele, piano, electronic drum, and guzheng. 【Long Battery Life】: Powered by a 1300mAh lithium battery, this device can last up to 10 hours on a single charge. This ensures you can enjoy uninterrupted music practice or performance. The device charges via a Type-C interface and takes about 2 hours to fully charge. 【Clear Voice Beat Counting】: The digital metronome features clear, real human voice beat counting in both English and Chinese. The volume is adjustable, allowing you to set it to a level that suits your needs. 【Large VA Color Screen】: The large VA color screen provides a clear and easy-to-read display, enhancing your user experience. 【High-Quality Sound and Connectivity】: Electronic metronome with a 1.4-inch speaker size, 4 ohm speaker impedance, and 5W power, this device delivers high-quality sound. It features BT 5.0 for a stable connection up to 10m/33ft.  Specifications: Brand: AROMA Color: Black, Pink, Blue, White (optional) Metronome Timbre: 3 types Tempo Range: 30bpm-260bpm Beat: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 Voice Beat: Chinese, English BT Version: 5.0 Screen: Color screen Connection Distance: 10m/33ft Speaker Size: 1.4inch Horn Impedance: 4 ohms Power: 5W Power Supply: 3.7V/13000mA rechargeable polymer lithium battery Charging Time: About 2 hours Battery Life: About 8 hours Charging Interface: Type-C Product Size: 11.9 * 6.6 * 5.9cm/4.7 * 2.6 * 2.3inch Item Weight: 160g/5.6oz Note: Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Packing List: 1 x Metronome 1 x Charging Cable